ash/system/tray_update.h

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef ASH_SYSTEM_TRAY_UPDATE_H_
   6 #define ASH_SYSTEM_TRAY_UPDATE_H_
   7
   8 #include "ash/system/tray/tray_image_item.h"
   9 #include "ash/system/user/update_observer.h"
  10 #include "base/memory/scoped_ptr.h"
  11
  12 namespace views {
  13 class View;
  14 }
  15
  16 namespace ash {
  17
  18 namespace tray {
  19 class UpdateNagger;
  20 }
  21
  22 class TrayUpdate : public TrayImageItem,
  23                    public UpdateObserver {
  24  public:
  25   explicit TrayUpdate(SystemTray* system_tray);
  26   virtual ~TrayUpdate();
  27
  28  private:
  29   // Overridden from TrayImageItem.
  30   virtual bool GetInitialVisibility() OVERRIDE;
  31   virtual views::View* CreateDefaultView(user::LoginStatus status) OVERRIDE;
  32   virtual views::View* CreateDetailedView(user::LoginStatus status) OVERRIDE;
  33   virtual void DestroyDetailedView() OVERRIDE;
  34
  35   // Overridden from UpdateObserver.
  36   virtual void OnUpdateRecommended(UpdateSeverity severity) OVERRIDE;
  37
  38   // Used to nag the user in case the tray has been hidden too long with an
  39   // unseen update notification.
  40   scoped_ptr<tray::UpdateNagger> nagger_;
  41
  42   UpdateObserver::UpdateSeverity severity_;
  43
  44   DISALLOW_COPY_AND_ASSIGN(TrayUpdate);
  45 };
  46
  47 }  // namespace ash
  48
  49 #endif  // ASH_SYSTEM_TRAY_UPDATE_H_